1.FC Union Berlin
Official Name: 1. Fußball-Club Union Berlin
Formed: 1966 Ground: Stadion An der Alten Försterei (22,012) Manager: Urs Fischer [SUI]
| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | Previous Club |
| 1 | Andreas Luthe | GER | G | 1.94 | 90 | 10-03-87 | Velbert | Augsburg |
| 2 | ||||||||
| 3 | Paul Jaeckel | GER | D | 1.88 | 80 | 22-07-98 | Eisenhüttenstadt | Greuther Fürth |
| 4 | ||||||||
| 5 | ||||||||
| 6 | Julian Ryerson | NOR | D | 1.83 | 82 | 17-11-97 | Lyngdal | Viking |
| 7 | Levin Öztunali | GER | M | 1.76 | 70 | 15-03-96 | Hamburg | Mainz |
| 8 | Rani Khedira | GER | M | 1.85 | 78 | 27-01-94 | Stuttgart | Augsburg |
| 9 | Andreas Voglsammer | GER | F | 1.78 | 78 | 09-01-92 | Rosenheim | Arminia Bielefeld |
| 10 | Sven Michel | GER | F | 1.78 | 75 | 15-07-90 | Freudenberg | Paderborn |
| 11 | Anthony Ujah | NGA | F | 1.83 | 82 | 20-11-90 | Tudun Wada | Mainz |
| 12 | Jakob Busk | DEN | G | 1.89 | 78 | 12-09-93 | Copenhagen | FC København |
| 13 | András Schäfer | HUN | M | 1.77 | 73 | 13-04-99 | Szombathely | DAC Dunajská Streda |
| 14 | Taiwo Awoniyi | NGA | F | 1.78 | 71 | 12-08-97 | Ilorin | Liverpool |
| 15 | ||||||||
| 16 | ||||||||
| 17 | Kevin Behrens | GER | F | 1.84 | 83 | 03-02-91 | Bremen | Sandhausen |
| 18 | Keita Endo | JPN | M | 1.75 | 66 | 22-11-97 | Yokohama | Yokohama F Marinos |
| 19 | Frederik Rønnow | DEN | G | 1.88 | 76 | 04-08-92 | Horsens | Eintracht Frankfurt |
| 20 | Bastian Oczipka | GER | D | 1.84 | 81 | 12-01-89 | Bergisch Gladbach | Schalke |
| 21 | Grischa Prömel | GER | M | 1.82 | 75 | 09-01-95 | Stuttgart | Karlsruhe |
| 22 | ||||||||
| 23 | Niko Gießelmann | GER | D | 1.81 | 73 | 26-09-91 | Hannover | Fortuna Düsseldorf |
| 24 | Genki Haraguchi | JPN | M | 1.77 | 63 | 09-05-91 | Saitama | Hannover 96 |
| 25 | Timo Baumgartl | GER | D | 1.89 | 85 | 04-03-96 | Böblingen | PSV Eindhoven |
| 26 | ||||||||
| 27 | Sheraldo Becker | NED | F | 1.80 | 72 | 09-02-95 | Amsterdam | ADO Den Haag |
| 28 | Christopher Trimmel | AUT | D | 1.89 | 80 | 24-02-87 | Oberpullendorf | Rapid Vienna |
| 29 | Laurenz Dehl | GER | M | 1.79 | 76 | 12-12-01 | Berlin | None |
| 30 | Kevin Möhwald | GER | M | 1.83 | 74 | 03-07-93 | Erfurt | Werder Bremen |
| 31 | Robin Knoche | GER | D | 1.72 | 67 | 22-05-92 | Braunschweig | Wolfsburg |
| 32 | ||||||||
| 33 | Dominique Heintz | GER | D | 1.90 | 85 | 15-08-93 | Neustadt an der Weinstraße | Freiburg |
| 34 | ||||||||
| 35 | ||||||||
| 36 | ||||||||
| 37 | ||||||||
| 38 | Maximilian Somnitz | GER | M | - | - | 09-06-03 | - | BFC Preussen |
| 39 | Suleiman Abdullahi | NGA | F | 1.85 | 86 | 10-12-96 | Kaduna | Eintracht Braunschweig |
| 40 | Yannic Stein | GER | G | 1.87 | 80 | 17-09-04 | Berlin | None |
| 42 | Niklas Petzsch | GER | G | - | - | 18-06-04 | - | None |
Players no longer at this club |
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| Number | Name | Nat | Pos | Height | Weight | Date of Birth | Birth Place | New Club |
| 30 | Robert Andrich | GER | M | 1.85 | 78 | 22-09-94 | Potsdam | Bayer Leverkusen |
| 32 | Marcus Ingvartsen | DEN | F | 1.86 | 82 | 04-01-96 | Farum | Mainz (On Loan) |
| 33 | Sebastian Griesbeck | GER | M | 1.89 | 84 | 03-10-90 | Ulm |
Greuther Fürth |
| 38 | Leon Dajaku | GER | M | 1.80 | 72 | 12-04-01 | Waibingen | Sunderland (On Loan) |
| 36 | Cedric Teuchert | GER | F | 1.80 | 80 | 14-01-97 | Coburg | Hannover 96 |
| 5 | Marvin Friedrich | GER | D | 1.90 | 74 | 13-12-95 | Kassel | B Mönchengladbach |
| 26 | Tymoteusz Puchacz | POL | D | 1.80 | 74 | 23-01-99 | Sulechów | Trabzonspor (On Loan) |
| 35 | Fabio Schneider | GER | M | 1.83 | 78 | 31-07-02 | Berlin | Kuopion PS (On Loan) |
| 15 | Paweł Wszołek | POL | M | 1.86 | 77 | 30-04-92 | Tczew | Legia Warszawa (On Loan) |
| 10 | Max Kruse | GER | F | 1.80 | 77 | 19-03-88 | Reinbek | Wolfsburg |
| 4 | Rick van Drongelen | NED | D | 1.85 | 75 | 20-12-98 | Terneuzen | Mechelen (On Loan) |